Date: Sun, 20 Jan 2002 01:26:44 -0800 (PST) From: Julian Elischer <julian@elischer.org> To: Bruce Evans <bde@zeta.org.au> Cc: Alfred Perlstein <bright@mu.org>, arch@FreeBSD.ORG Subject: Re: doreti() and userret() Message-ID: <Pine.BSF.4.21.0201200121570.5016-100000@InterJet.elischer.org> In-Reply-To: <20020120182437.R7452-100000@gamplex.bde.org>
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On Sun, 20 Jan 2002, Bruce Evans wrote: > On Sat, 19 Jan 2002, Julian Elischer wrote: > > See sys.dif.gz in ~bde on freefall. A lot of cosmetic changes there amongst the real changes.. I notice that you are reversing people's work of gradually getting rid of K&R function declarations. This is opposite to what we are doing as a group. (converting functions to ansi declarations as we hit them). Lots of good stuff though.. ANy chance you can extract a set of cosmetic patches for commit out of that? I am tempted to do so just to reduce the size of your diff :-) > > For optimizing userret(), the idea is to set flags for ast() to check. > E.g., there is a flag for signals so that usrret() doesn't need the > CURSIG() loop. CURSIG() is much more expensive than it used to be, > since it has to check 128 signals instead of 32 and aquire and release > 2 locksE.g., there is a flag for signals so that usrret() doesn't need the > CURSIG() loop. CURSIG() is much more expensive than it used to be, > since it has to check 128 signals instead of 32 and aquire and release > 2 locks instead of none. Ok that makes sense.. I may do similar int eh KSE kernel anyhow. > > > On Sun, 20 Jan 2002, Bruce Evans wrote: > > > > > On Sat, 19 Jan 2002, Alfred Perlstein wrote: > > > > > > > * Julian Elischer <julian@elischer.org> [020119 10:01] wrote: > > > > > > > > > > On Sun, 20 Jan 2002, Bruce Evans wrote: > > Please don't top post (top mail?). what does that mean? I shouldn't add to the top of the old email? > > Bruce > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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